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  • Title: Adhesion of thrombotic components to the surface of a clinically used oxygenator is not affected by Trillium coating.
    Author: van den Goor JM, van Oeveren W, Rutten PM, Tijssen JG, Eijsman L.
    Journal: Perfusion; 2006 May; 21(3):165-72. PubMed ID: 16817289.
    Abstract:
    The Trillium coating is designed to minimize adsorption of protein and the attachment of cells and other particles. The present study was undertaken to investigate the effect of surface coating on the adhesion of thrombotic components (activated platelets, white blood cells and fibrin) to the surface of a clinically used oxygenator. Twenty patients undergoing elective coronary artery bypass grafting (CABG) were randomized to one of the two oxygenator groups: non-coated (NC, n = 10) or Trillium-coated (TC, n = 10). Platelet and white blood cell counts and factor XIIa concentrations were determined prior to the induction of anesthesia and at the end of cardiopulmonary bypass (CPB). Binding of activated platelets, white blood cells and fibrin to the artificial surfaces was quantified by means of antibody binding and histological validation was achieved by scanning electron microscopy. Patient demographic and CPB data were similar for the two groups. No significant differences between the groups were found for any of the tested thrombotic components. However, observations from our scanning electron microscopy suggested a release of formed particles from the Trillium-coated surface. Primary adhesion of activated platelets, white blood cells and fibrin to the artificial surface of the venous blood inlet from an oxygenator is not affected by the Trillium surface coating under conditions of full systemic heparinization.
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